Geant4 11.2.2
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | Protected Attributes | List of all members
G4DNADingfelderChargeIncreaseModel Class Reference

#include <G4DNADingfelderChargeIncreaseModel.hh>

+ Inheritance diagram for G4DNADingfelderChargeIncreaseModel:

Public Member Functions

 G4DNADingfelderChargeIncreaseModel (const G4ParticleDefinition *p=nullptr, const G4String &nam="DNADingfelderChargeIncreaseModel")
 
 ~G4DNADingfelderChargeIncreaseModel () override=default
 
G4DNADingfelderChargeIncreaseModel & operator= (const G4DNADingfelderChargeIncreaseModel &right)=delete
 
 G4DNADingfelderChargeIncreaseModel (const G4DNADingfelderChargeIncreaseModel &)=delete
 
void Initialise (const G4ParticleDefinition *, const G4DataVector &) override
 
G4double CrossSectionPerVolume (const G4Material *material, const G4ParticleDefinition *p, G4double ekin, G4double emin, G4double emax) override
 
void SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override
 
void SelectStationary (G4bool input)
 
- Public Member Functions inherited from G4VEmModel
 G4VEmModel (const G4String &nam)
 
virtual ~G4VEmModel ()
 
virtual void InitialiseLocal (const G4ParticleDefinition *, G4VEmModel *masterModel)
 
virtual void InitialiseForMaterial (const G4ParticleDefinition *, const G4Material *)
 
virtual void InitialiseForElement (const G4ParticleDefinition *, G4int Z)
 
virtual G4double ComputeDEDXPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
 
virtual G4double GetPartialCrossSection (const G4Material *, G4int level, const G4ParticleDefinition *, G4double kineticEnergy)
 
virtual G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
virtual G4double ComputeCrossSectionPerShell (const G4ParticleDefinition *, G4int Z, G4int shellIdx, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
virtual G4double ChargeSquareRatio (const G4Track &)
 
virtual G4double GetChargeSquareRatio (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual G4double GetParticleCharge (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual void StartTracking (G4Track *)
 
virtual void CorrectionsAlongStep (const G4MaterialCutsCouple *, const G4DynamicParticle *, const G4double &length, G4double &eloss)
 
virtual G4double Value (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy)
 
virtual G4double MinPrimaryEnergy (const G4Material *, const G4ParticleDefinition *, G4double cut=0.0)
 
virtual G4double MinEnergyCut (const G4ParticleDefinition *, const G4MaterialCutsCouple *)
 
virtual void SetupForMaterial (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual void DefineForRegion (const G4Region *)
 
virtual void FillNumberOfSecondaries (G4int &numberOfTriplets, G4int &numberOfRecoil)
 
virtual void ModelDescription (std::ostream &outFile) const
 
void InitialiseElementSelectors (const G4ParticleDefinition *, const G4DataVector &)
 
std::vector< G4EmElementSelector * > * GetElementSelectors ()
 
void SetElementSelectors (std::vector< G4EmElementSelector * > *)
 
G4double ComputeDEDX (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
 
G4double CrossSection (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4double ComputeMeanFreePath (const G4ParticleDefinition *, G4double kineticEnergy, const G4Material *, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, const G4Element *, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * SelectRandomAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * SelectTargetAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double logKineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * SelectRandomAtom (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * GetCurrentElement (const G4Material *mat=nullptr) const
 
G4int SelectRandomAtomNumber (const G4Material *) const
 
const G4Isotope * GetCurrentIsotope (const G4Element *elm=nullptr) const
 
G4int SelectIsotopeNumber (const G4Element *) const
 
void SetParticleChange (G4VParticleChange *, G4VEmFluctuationModel *f=nullptr)
 
void SetCrossSectionTable (G4PhysicsTable *, G4bool isLocal)
 
G4ElementData * GetElementData ()
 
G4PhysicsTable * GetCrossSectionTable ()
 
G4VEmFluctuationModel * GetModelOfFluctuations ()
 
G4VEmAngularDistribution * GetAngularDistribution ()
 
G4VEmModel * GetTripletModel ()
 
void SetTripletModel (G4VEmModel *)
 
void SetAngularDistribution (G4VEmAngularDistribution *)
 
G4double HighEnergyLimit () const
 
G4double LowEnergyLimit () const
 
G4double HighEnergyActivationLimit () const
 
G4double LowEnergyActivationLimit () const
 
G4double PolarAngleLimit () const
 
G4double SecondaryThreshold () const
 
G4bool DeexcitationFlag () const
 
G4bool ForceBuildTableFlag () const
 
G4bool UseAngularGeneratorFlag () const
 
void SetAngularGeneratorFlag (G4bool)
 
void SetHighEnergyLimit (G4double)
 
void SetLowEnergyLimit (G4double)
 
void SetActivationHighEnergyLimit (G4double)
 
void SetActivationLowEnergyLimit (G4double)
 
G4bool IsActive (G4double kinEnergy) const
 
void SetPolarAngleLimit (G4double)
 
void SetSecondaryThreshold (G4double)
 
void SetDeexcitationFlag (G4bool val)
 
void SetForceBuildTable (G4bool val)
 
void SetFluctuationFlag (G4bool val)
 
void SetMasterThread (G4bool val)
 
G4bool IsMaster () const
 
void SetUseBaseMaterials (G4bool val)
 
G4bool UseBaseMaterials () const
 
G4double MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)
 
const G4String & GetName () const
 
void SetCurrentCouple (const G4MaterialCutsCouple *)
 
G4bool IsLocked () const
 
void SetLocked (G4bool)
 
void SetLPMFlag (G4bool)
 
G4VEmModel & operator= (const G4VEmModel &right)=delete
 
 G4VEmModel (const G4VEmModel &)=delete
 

Protected Attributes

G4ParticleChangeForGamma * fParticleChangeForGamma = nullptr
 
- Protected Attributes inherited from G4VEmModel
G4ElementData * fElementData = nullptr
 
G4VParticleChange * pParticleChange = nullptr
 
G4PhysicsTable * xSectionTable = nullptr
 
const G4Material * pBaseMaterial = nullptr
 
const std::vector< G4double > * theDensityFactor = nullptr
 
const std::vector< G4int > * theDensityIdx = nullptr
 
G4double inveplus
 
G4double pFactor = 1.0
 
std::size_t currentCoupleIndex = 0
 
std::size_t basedCoupleIndex = 0
 
G4bool lossFlucFlag = true
 

Additional Inherited Members

- Protected Member Functions inherited from G4VEmModel
G4ParticleChangeForLoss * GetParticleChangeForLoss ()
 
G4ParticleChangeForGamma * GetParticleChangeForGamma ()
 
virtual G4double MaxSecondaryEnergy (const G4ParticleDefinition *, G4double kineticEnergy)
 
const G4MaterialCutsCouple * CurrentCouple () const
 
void SetCurrentElement (const G4Element *)
 

Detailed Description

Definition at line 39 of file G4DNADingfelderChargeIncreaseModel.hh.

Constructor & Destructor Documentation

◆ G4DNADingfelderChargeIncreaseModel() [1/2]

G4DNADingfelderChargeIncreaseModel::G4DNADingfelderChargeIncreaseModel ( const G4ParticleDefinition * p = nullptr,
const G4String & nam = "DNADingfelderChargeIncreaseModel" )
explicit

Definition at line 44 of file G4DNADingfelderChargeIncreaseModel.cc.

45 :
46G4VEmModel(nam)
47{
48 if (verboseLevel > 0)
49 {
50 G4cout << "Dingfelder charge increase model is constructed " << G4endl;
51 }
52}
G4endl
#define G4endl
Definition G4ios.hh:67
G4cout
G4GLOB_DLL std::ostream G4cout
G4VEmModel::G4VEmModel
G4VEmModel(const G4String &nam)
Definition G4VEmModel.cc:67

◆ ~G4DNADingfelderChargeIncreaseModel()

G4DNADingfelderChargeIncreaseModel::~G4DNADingfelderChargeIncreaseModel ( )
overridedefault

◆ G4DNADingfelderChargeIncreaseModel() [2/2]

G4DNADingfelderChargeIncreaseModel::G4DNADingfelderChargeIncreaseModel ( const G4DNADingfelderChargeIncreaseModel & )
delete

Member Function Documentation

◆ CrossSectionPerVolume()

G4double G4DNADingfelderChargeIncreaseModel::CrossSectionPerVolume ( const G4Material * material,
const G4ParticleDefinition * p,
G4double ekin,
G4double emin,
G4double emax )
overridevirtual

Reimplemented from G4VEmModel.

Definition at line 179 of file G4DNADingfelderChargeIncreaseModel.cc.

184{
185 if (verboseLevel > 3)
186 {
187 G4cout
188 << "Calling CrossSectionPerVolume() of G4DNADingfelderChargeIncreaseModel"
189 << G4endl;
190 }
191
192 // Calculate total cross section for model
193
194 if (
195 particleDefinition != hydrogenDef
196 &&
197 particleDefinition != alphaPlusDef
198 &&
199 particleDefinition != heliumDef
200 )
201
202 return 0;
203
204 G4double lowLim = 0;
205 G4double highLim = 0;
206 G4double totalCrossSection = 0.;
207
208 G4double waterDensity = (*fpMolWaterDensity)[material->GetIndex()];
209
210 const G4String& particleName = particleDefinition->GetParticleName();
211
212 std::map< G4String,G4double,std::less<G4String> >::iterator pos1;
213 pos1 = lowEnergyLimit.find(particleName);
214
215 if (pos1 != lowEnergyLimit.end())
216 {
217 lowLim = pos1->second;
218 }
219
220 std::map< G4String,G4double,std::less<G4String> >::iterator pos2;
221 pos2 = highEnergyLimit.find(particleName);
222
223 if (pos2 != highEnergyLimit.end())
224 {
225 highLim = pos2->second;
226 }
227
228 if (k >= lowLim && k <= highLim)
229 {
230 //HYDROGEN
231 if (particleDefinition == hydrogenDef)
232 {
233 const G4double aa = 2.835;
234 const G4double bb = 0.310;
235 const G4double cc = 2.100;
236 const G4double dd = 0.760;
237 const G4double fac = 1.0e-18;
238 const G4double rr = 13.606 * eV;
239
240 G4double t = k / (proton_mass_c2/electron_mass_c2);
241 G4double x = t / rr;
242 G4double temp = 4.0 * pi * Bohr_radius/nm * Bohr_radius/nm * fac;
243 G4double sigmal = temp * cc * (gpow->powA(x,dd));
244 G4double sigmah = temp * (aa * G4Log(1.0 + x) + bb) / x;
245 totalCrossSection = 1.0/(1.0/sigmal + 1.0/sigmah) *m*m;
246 }
247 else
248 {
249 totalCrossSection = Sum(k,particleDefinition);
250 }
251 }
252
253 if (verboseLevel > 2)
254 {
255 G4cout << "__________________________________" << G4endl;
256 G4cout << "G4DNADingfelderChargeIncreaseModel - XS INFO START" << G4endl;
257 G4cout << "Kinetic energy(eV)=" << k/eV << " particle : " << particleName << G4endl;
258 G4cout << "Cross section per water molecule (cm^2)=" << totalCrossSection/cm/cm << G4endl;
259 G4cout << "Cross section per water molecule (cm^-1)=" << totalCrossSection*waterDensity/(1./cm) << G4endl;
260 // G4cout << " - Cross section per water molecule (cm^-1)="
261 // << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl;
262 G4cout << "G4DNADingfelderChargeIncreaseModel - XS INFO END" << G4endl;
263 }
264
265 return totalCrossSection*waterDensity;
266 // return totalCrossSection*material->GetAtomicNumDensityVector()[1];
267
268}
G4Log
G4double G4Log(G4double x)
Definition G4Log.hh:227
G4double
double G4double
Definition G4Types.hh:83
G4Material::GetIndex
std::size_t GetIndex() const
Definition G4Material.hh:239
G4Pow::powA
G4double powA(G4double A, G4double y) const
Definition G4Pow.hh:230

◆ Initialise()

void G4DNADingfelderChargeIncreaseModel::Initialise ( const G4ParticleDefinition * particle,
const G4DataVector &  )
overridevirtual

Implements G4VEmModel.

Definition at line 56 of file G4DNADingfelderChargeIncreaseModel.cc.

58{
59
60 if (verboseLevel > 3)
61 {
62 G4cout << "Calling G4DNADingfelderChargeIncreaseModel::Initialise()"
63 << G4endl;
64 }
65
66 // Energy limits
67
68 G4DNAGenericIonsManager *instance;
69 instance = G4DNAGenericIonsManager::Instance();
70 hydrogenDef = instance->GetIon("hydrogen");
71 alphaPlusPlusDef = G4Alpha::Alpha();
72 alphaPlusDef = instance->GetIon("alpha+");
73 heliumDef = instance->GetIon("helium");
74
75 G4String hydrogen;
76 G4String alphaPlus;
77 G4String helium;
78
79 // Limits
80
81 hydrogen = hydrogenDef->GetParticleName();
82 lowEnergyLimit[hydrogen] = 100. * eV;
83 highEnergyLimit[hydrogen] = 100. * MeV;
84
85 alphaPlus = alphaPlusDef->GetParticleName();
86 lowEnergyLimit[alphaPlus] = 1. * keV;
87 highEnergyLimit[alphaPlus] = 400. * MeV;
88
89 helium = heliumDef->GetParticleName();
90 lowEnergyLimit[helium] = 1. * keV;
91 highEnergyLimit[helium] = 400. * MeV;
92
93 //
94
95 if (particle==hydrogenDef)
96 {
97 SetLowEnergyLimit(lowEnergyLimit[hydrogen]);
98 SetHighEnergyLimit(highEnergyLimit[hydrogen]);
99 }
100
101 if (particle==alphaPlusDef)
102 {
103 SetLowEnergyLimit(lowEnergyLimit[alphaPlus]);
104 SetHighEnergyLimit(highEnergyLimit[alphaPlus]);
105 }
106
107 if (particle==heliumDef)
108 {
109 SetLowEnergyLimit(lowEnergyLimit[helium]);
110 SetHighEnergyLimit(highEnergyLimit[helium]);
111 }
112
113 // Final state
114
115 //ALPHA+
116
117 f0[0][0]=1.;
118 a0[0][0]=2.25;
119 a1[0][0]=-0.75;
120 b0[0][0]=-32.10;
121 c0[0][0]=0.600;
122 d0[0][0]=2.40;
123 x0[0][0]=4.60;
124
125 x1[0][0]=-1.;
126 b1[0][0]=-1.;
127
128 numberOfPartialCrossSections[0]=1;
129
130 //HELIUM
131
132 f0[0][1]=1.;
133 a0[0][1]=2.25;
134 a1[0][1]=-0.75;
135 b0[0][1]=-30.93;
136 c0[0][1]=0.590;
137 d0[0][1]=2.35;
138 x0[0][1]=4.29;
139
140 f0[1][1]=1.;
141 a0[1][1]=2.25;
142 a1[1][1]=-0.75;
143 b0[1][1]=-32.61;
144 c0[1][1]=0.435;
145 d0[1][1]=2.70;
146 x0[1][1]=4.45;
147
148 x1[0][1]=-1.;
149 b1[0][1]=-1.;
150
151 x1[1][1]=-1.;
152 b1[1][1]=-1.;
153
154 numberOfPartialCrossSections[1]=2;
155
156 //
157
158 if( verboseLevel>0 )
159 {
160 G4cout << "Dingfelder charge increase model is initialized " << G4endl
161 << "Energy range: "
162 << LowEnergyLimit() / keV << " keV - "
163 << HighEnergyLimit() / MeV << " MeV for "
164 << particle->GetParticleName()
165 << G4endl;
166 }
167
168 // Initialize water density pointer
169 fpMolWaterDensity = G4DNAMolecularMaterial::Instance()->GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
170
171 if (isInitialised) return;
172
173 fParticleChangeForGamma = GetParticleChangeForGamma();
174 isInitialised = true;
175}
G4Alpha::Alpha
static G4Alpha * Alpha()
Definition G4Alpha.cc:83
G4DNAGenericIonsManager::Instance
static G4DNAGenericIonsManager * Instance()
Definition G4DNAGenericIonsManager.cc:35
G4DNAGenericIonsManager::GetIon
G4ParticleDefinition * GetIon(const G4String &name)
Definition G4DNAGenericIonsManager.cc:45
G4DNAMolecularMaterial::GetNumMolPerVolTableFor
const std::vector< G4double > * GetNumMolPerVolTableFor(const G4Material *) const
Retrieve a table of molecular densities (number of molecules per unit volume) in the G4 unit system f...
Definition G4DNAMolecularMaterial.cc:396
G4DNAMolecularMaterial::Instance
static G4DNAMolecularMaterial * Instance()
Definition G4DNAMolecularMaterial.cc:80
G4Material::GetMaterial
static G4Material * GetMaterial(const G4String &name, G4bool warning=true)
Definition G4Material.cc:653
G4ParticleDefinition::GetParticleName
const G4String & GetParticleName() const
Definition G4ParticleDefinition.hh:96
G4VEmModel::SetHighEnergyLimit
void SetHighEnergyLimit(G4double)
Definition G4VEmModel.hh:738
G4VEmModel::GetParticleChangeForGamma
G4ParticleChangeForGamma * GetParticleChangeForGamma()
Definition G4VEmModel.cc:120
G4VEmModel::LowEnergyLimit
G4double LowEnergyLimit() const
Definition G4VEmModel.hh:640
G4VEmModel::HighEnergyLimit
G4double HighEnergyLimit() const
Definition G4VEmModel.hh:633
G4VEmModel::SetLowEnergyLimit
void SetLowEnergyLimit(G4double)
Definition G4VEmModel.hh:745

◆ operator=()

G4DNADingfelderChargeIncreaseModel & G4DNADingfelderChargeIncreaseModel::operator= ( const G4DNADingfelderChargeIncreaseModel & right)
delete

◆ SampleSecondaries()

void G4DNADingfelderChargeIncreaseModel::SampleSecondaries ( std::vector< G4DynamicParticle * > * fvect,
const G4MaterialCutsCouple * ,
const G4DynamicParticle * aDynamicParticle,
G4double tmin,
G4double maxEnergy )
overridevirtual

Implements G4VEmModel.

Definition at line 272 of file G4DNADingfelderChargeIncreaseModel.cc.

278{
279 if (verboseLevel > 3)
280 {
281 G4cout
282 << "Calling SampleSecondaries() of G4DNADingfelderChargeIncreaseModel"
283 << G4endl;
284 }
285
286 if (!statCode) fParticleChangeForGamma->ProposeLocalEnergyDeposit(0.);
287
288 G4ParticleDefinition* definition = aDynamicParticle->GetDefinition();
289
290 G4double particleMass = definition->GetPDGMass();
291
292 G4double inK = aDynamicParticle->GetKineticEnergy();
293
294 G4int finalStateIndex = RandomSelect(inK,definition);
295
296 G4int n = NumberOfFinalStates(definition,finalStateIndex);
297
298 G4double outK = 0.;
299
300 if (!statCode) outK = inK - IncomingParticleBindingEnergyConstant(definition,finalStateIndex);
301
302 else outK = inK;
303
304 if (statCode)
305 fParticleChangeForGamma->
306 ProposeLocalEnergyDeposit(IncomingParticleBindingEnergyConstant(definition,finalStateIndex));
307
308 fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
309
310 G4double electronK;
311 if (definition == hydrogenDef) electronK = inK*electron_mass_c2/proton_mass_c2;
312 else electronK = inK*electron_mass_c2/(particleMass);
313
314 if (outK<0)
315 {
316 G4Exception("G4DNADingfelderChargeIncreaseModel::SampleSecondaries","em0004",
317 FatalException,"Final kinetic energy is negative.");
318 }
319
320 auto dp = new G4DynamicParticle(OutgoingParticleDefinition(definition,finalStateIndex),
321 aDynamicParticle->GetMomentumDirection(),
322 outK);
323
324 fvect->push_back(dp);
325
326 n = n - 1;
327
328 while (n>0)
329 {
330 n--;
331 fvect->push_back(new G4DynamicParticle
332 (G4Electron::Electron(), aDynamicParticle->GetMomentumDirection(), electronK) );
333 }
334}
FatalException
@ FatalException
Definition G4ExceptionSeverity.hh:67
G4Exception
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *description)
Definition G4Exception.cc:59
fStopAndKill
@ fStopAndKill
Definition G4TrackStatus.hh:46
G4int
int G4int
Definition G4Types.hh:85
G4DynamicParticle::GetMomentumDirection
const G4ThreeVector & GetMomentumDirection() const
G4DynamicParticle::GetDefinition
G4ParticleDefinition * GetDefinition() const
G4DynamicParticle::GetKineticEnergy
G4double GetKineticEnergy() const
G4Electron::Electron
static G4Electron * Electron()
Definition G4Electron.cc:91
G4VParticleChange::ProposeTrackStatus
void ProposeTrackStatus(G4TrackStatus status)
G4VParticleChange::ProposeLocalEnergyDeposit
void ProposeLocalEnergyDeposit(G4double anEnergyPart)

◆ SelectStationary()

void G4DNADingfelderChargeIncreaseModel::SelectStationary ( G4bool input)
inline

Definition at line 112 of file G4DNADingfelderChargeIncreaseModel.hh.

113{
114 statCode = input;
115}

Member Data Documentation

◆ fParticleChangeForGamma

G4ParticleChangeForGamma* G4DNADingfelderChargeIncreaseModel::fParticleChangeForGamma = nullptr
protected

Definition at line 63 of file G4DNADingfelderChargeIncreaseModel.hh.

Referenced by Initialise(), and SampleSecondaries().

The documentation for this class was generated from the following files: